The Ultimate Planet (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

The Ultimate Planet follows auto mechanic Dima Khrust, whose vivid memories of an alien military mission conflict with everyone else's recollections. After recognizing Polina, the woman he remembers saving, Dima begins investigating who changed their past—and why the answer may lie on the Ninth Planet.

The Ultimate Planet is a Russian science-fiction adventure centered on memory, identity and an apparent mission beyond Earth. Its protagonist, auto mechanic Dima Khrust, carries recollections that do not match those of the people around him.

Written by Igor Tkachenko and directed by Nikolay Rybnikov, the film combines drama, action, adventure and science fiction. The story moves from an unsettling discovery in ordinary life toward a return to the dangerous planet connected to Dima’s memories.

The Ultimate Planet movie details

Story without spoilers

After an accident, Dima Khrust begins experiencing vivid flashes of what he believes was his service on the Ninth Planet. These recollections include extraordinary landscapes, an Earthling base, battles with monsters, comrades and Polina, a young woman he remembers rescuing.

Dima’s colleagues dismiss his account because their own army memories are entirely ordinary. His certainty grows when he encounters Polina in real life. That meeting leads him to suspect that their memories were deliberately altered. To uncover who changed them and for what purpose, Dima must face the possibility that the truth is tied to a return to the perilous Ninth Planet.

What to expect

The film is positioned as a genre blend rather than a single-mode story. The science-fiction premise supplies an unfamiliar planet, an Earthling base and memory manipulation, while the action and adventure elements point to danger, battles and an expedition-driven structure. The drama comes from Dima’s uncertainty about his past and his effort to establish what really happened.

At 1 hour and 46 minutes, The Ultimate Planet offers a feature-length story built around a focused mystery: whether Dima’s memories reveal a suppressed reality or something else. The supplied premise also places Polina at the center of that mystery, giving the investigation a personal dimension without revealing its outcome.

Cast and creative team

The cast includes Yura Borisov, Irina Starshenbaum, Aleksey Serebryakov, Maksim Emelyanov, Konstantin Beloshapka, Semen Litvinov, Danil Steklov, Nikolay Evstafyev, Vadim Pirozhenko and Artem Kosygin. Danil Steklov is credited as Gloomy. Nikolay Rybnikov directs the film, with Igor Tkachenko credited as writer.

• Yura Borisov
• Irina Starshenbaum
• Aleksey Serebryakov
• Maksim Emelyanov
• Konstantin Beloshapka
• Semen Litvinov
• Danil Steklov as Gloomy
• Nikolay Evstafyev
• Vadim Pirozhenko
• Artem Kosygin

Release and production context

The Ultimate Planet is listed as a 2026 Russian production in the Russian language. Its release date is September 24, 2026, and its runtime is 1 hour 46 minutes. The production companies are CTB Film Company, DixiMedia, Gazprom-Media and Cinema Foundation of Russia. The film is classified as Drama, Science Fiction, Action and Adventure.

Production companies: CTB Film Company, DixiMedia, Gazprom-Media, Cinema Foundation of Russia

The Ultimate Planet official trailer

Watch the official trailer on YouTube

Movies Dock view

With its altered-memory premise and off-world setting, The Ultimate Planet frames its central mystery around a simple but consequential question: can Dima trust the past he remembers? The film’s combination of personal uncertainty, military recollection and planetary danger establishes a clear science-fiction adventure setup while keeping the deeper explanation for the story itself.

Film data:
TMDB · IMDb